Home / 28,414.61-42,567.35-15,896.70

Finding the Fourth Proportional to 28,414.61, 42,567.35 and 15,896.70

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Solution

The fourth proportional to 28,414.61, 42,567.35 and 15,896.70 is: 23,814.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,414.61 : 42,567.35 = 15,896.70 : x
  2. Step 2: Convert to fraction form
    28,414.61/42,567.35 = 15,896.70/x
  3. Step 3: Cross multiply
    28,414.61x = 42,567.35 × 15,896.70
  4. Step 4: Simplify right side
    28,414.61x = 676,680,392.75
  5. Step 5: Solve for x
    x = 676,680,392.75/28,414.61
  6. Step 6: Final answer
    x = 23,814.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.